3865252602513 has 16 divisors (see below), whose sum is σ = 5320467416576. Its totient is φ = 2493453611520.

The previous prime is 3865252602493. The next prime is 3865252602551. The reversal of 3865252602513 is 3152062525683.

It is not a de Polignac number, because 3865252602513 - 2⁸ = 3865252602257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3865252602553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241206 + ... + 3044847.

It is an arithmetic number, because the mean of its divisors is an integer number (332529213536).

Almost surely, 2^{3865252602513} is an apocalyptic number.

It is an amenable number.

3865252602513 is a deficient number, since it is larger than the sum of its proper divisors (1455214814063).

3865252602513 is a wasteful number, since it uses less digits than its factorization.

3865252602513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295784.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 3865252602513 in words is "three trillion, eight hundred sixty-five billion, two hundred fifty-two million, six hundred two thousand, five hundred thirteen".